v0.4.0

🚀 Enhancement

• Bump handlebars from 4.4.2 to 4.7.6 #39 (@dependabot[bot])

🐛 Bug Fix

• 44 - Security updates #45 (@umer2001)
• 6 - Add support for file fragments using json-refs #46 (@nicomt)
• Bump lodash from 4.17.14 to 4.17.19 #38 (@dependabot[bot])
• Bump yargs-parser from 13.1.1 to 13.1.2 #40 (@dependabot[bot])